Lead Developer to support the Green Energy Transition 

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Are you an experienced developer interested in building high-quality software and contributing to critical applications that support the efficient, reliable, and secure operation of the Nordic power grid? If you are looking to make an impact in supporting the green transition of the energy sector across Finland, Norway, Sweden and Denmark, you might be the person we are looking for.  
Join a fast-developing Nordic company and become a part of an agile environment, where we develop innovative solutions. Nordic RCC is an important contributor to the green energy transition, supporting the Nordic transmission system operators in ensuring efficient and secure operations of the Nordic electricity power system.  
As part of our continued growth, Application Development is expanding significantly. We are strengthening our department with two Lead Developers and five Senior Developers, creating exciting opportunities to join a growing team and help shape the future of software development at Nordic RCC. 
Your role 
As a Lead Developer in Application Development, you will join a collaborative department of approximately 23 developers who design, develop and maintain the internal applications supporting our current and future business services. If you are curious about Nordic RCC and what we do, learn more about our innovative solutions on the Nordic RCC webpage. 
Your role combines hands-on development with broader technical leadership. You will work closely with Application Architects to help define and communicate technical direction, translate architectural principles into practical solutions and promote consistency across our application landscape. 
You will connect technical expertise across teams, identify shared challenges, and contribute to reusable, sustainable solutions. Through cross-departmental collaboration, you will build alignment around technical opportunities, constraints, and impacts across the organization. 
What you will do :  
Design, develop, and maintain robust applications using C# and .NET, while promoting consistent standards, code quality, maintainability and operational stability

Contribute to improving system architecture by identifying areas for technical refinement, refactoring, or modernization

Collaborating across the organization, represent Application Development by collaborating with Product Owners, Delivery Management, testers, Quality Management and other departments

Set and communicate technical direction with Application Architects, translating architectural principles and business needs into practical solutions and Architecture Decision Records

Connect technical expertise across teams and applications, enabling collaboration on dependencies, common challenges and reusable solutions

Support operational excellence by helping diagnose and resolve production issues and continuously optimize existing systems

Share knowledge and technical expertise supporting colleagues’ professional development and help strengthen development practices across the team. This role does not include formal line-management responsibilities

Technology Stack:   
Primary languages and frameworks  C#, .NET, SolidJS, JavaScript/TypeScript, Functional programming, Python

Architecture, design patterns & integrations  Clean Architecture, SOLID, Event-driven Architecture, Message-driven Architecture, REST APIs

Databases & storage Relational databases (SQL Server), NoSQL databases (MongoDB), GridFS, S3

Infrastructure & Platform (on-prem)  Kubernetes (on-prem), Docker, Rancher, Prometheus/Grafana, ArgoCD, NginX

Tooling and collaboration  Git, Visual Studio, VS Code, JetBrains Rider, Azure DevOps, CI/CD pipelines

We’re looking for someone with:  
Collaborative Attitude: You will be working closely with our team of Application Architects, shaping architectural decisions for supporting maintainable, scalable and robust systems

Technical Foundation: A degree in Computer Science, IT or a related field

Proven Expertise: Minimum 5 years’ experience as full-stack developer in C# for the .NET platform. Experience providing technical guidance, facilitating technical decisions, mentoring colleagues, or coordinating development activities is a definite plus.

Nice to have: Experience working with functional programming, Clean Architecture principles, Azure DevOps, Kubernetes and Scrum processes

Energy Sector Knowledge: Familiarity with the power systems domain is a plus but not required

If you do not tick all the boxes, but think you could be a good match, don’t hesitate to apply for this position.   
What We Offer: A Flexible and Inclusive Workplace  
You will join a diverse organization of 23 nationalities, where inclusivity is celebrated, with more than 30% women on board (and a commitment to improving this balance). We are located in Copenhagen Towers office in Ørestad, with the flexibility to balance on-site and remote work 2 days a week.  
At Nordic RCC, we live by the values of fellowship, curiosity, respect, and transparency—values defined by our employees that shape how we collaborate and innovate. If you see yourself thriving in such an environment, we’d love to hear from you.  
Note that as part of the recruitment process, the candidate must undergo a satisfactory background check. The position is also conditioned upon a national security clearance. Both will be facilitated by Nordic RCC. You can read more on security clearance here . Please also note that the process includes that any spouse, registered partner, cohabitant, steady partner, co-resident, child over 18 living at home and parent with the same address as the candidate must also consent to be examined.   
Application deadline and contact information  
Please apply online (in English) no later than 15/11-2026. Interviews will be held on a rolling  basis up until the right candidate has been found.  
To ensure a fair and unbiased recruitment process, we kindly request that you do not include photographs in your CVs or application materials.  
A cover letter is not required, but we kindly ask you to include a few sentences in your CV explaining why you are interested in the position. Applications are only accepted through our online recruitment system. 
If you have any questions, please contact Pernille Yde Juul Hansen, Manager, Application Development  pyh@nordic-rcc.net  / +45 3092 3111.

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